Annals of the South African MuseumSouth African Museum, 1990 - Natual history |
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Page 41
... Axis variable ; large to very small or absent . Colour usually white to cream , yellowish or greyish - white . A ... Axis is a short rod ( c . 8 mm long and 0,8 mm wide ) in the centre of the proximal portion of the rachis . It is ...
... Axis variable ; large to very small or absent . Colour usually white to cream , yellowish or greyish - white . A ... Axis is a short rod ( c . 8 mm long and 0,8 mm wide ) in the centre of the proximal portion of the rachis . It is ...
Page 46
... axis absent ; sclerites from the surfaces of the peduncle and rachis are predominantly elongate rods and spindles . The rachis interior has similar sclerites but the peduncle interior has minute ovals . Cavernularia obesa , from the ...
... axis absent ; sclerites from the surfaces of the peduncle and rachis are predominantly elongate rods and spindles . The rachis interior has similar sclerites but the peduncle interior has minute ovals . Cavernularia obesa , from the ...
Page 86
... axis and sclerites that are round in cross section , whereas U. thomsoni has three - flanged sclerites and a quadrangular axis . I have found that shape of the axis in cross - section is an invalid differentiating character with regards ...
... axis and sclerites that are round in cross section , whereas U. thomsoni has three - flanged sclerites and a quadrangular axis . I have found that shape of the axis in cross - section is an invalid differentiating character with regards ...
Contents
Introduction | 2 |
Geological setting | 10 |
D see DINGLE R V et | 23 |
Copyright | |
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Common terms and phrases
abundance Abyssal Abyssal Zone Agulhas Bank Ammonia Annals assemblage Atlantic Austromegabalanus autozooids axis Basin Bathyal Zone Benson border Brady Broch Buntonia calyces calyx Cape Town Cavernularia coast Coldstream colony Cytherella Cytheropteron d'Orbigny deposits depth range dorsal Echinocythereis Echinoptilum epipterygoid figures foramen Foraminifera Formation genera genus Hatchericeras Henryhowella Holocene holotype illustrations Indian Ocean Kölliker Kophobelemnon Krithe sp Kükenthal & Broch length longitudinal Lower Bathyal Lycorhinus margin McMillan 1987b melobesioides Miocene molle Moschorhinus Neritic opisthotic Orange Shelf ostracod ostracod fauna painted peduncle Pennatula Pennatulacea Peypouquet Pleistocene polyp polyp leaves Poseidonamicus posterior posterodorsal prootic Quinqueloculina rachis recorded region ridge rosenfeldi Rugocythereis salinity samples Scale sclerites sediments Siphonozooids South African Museum south-western Africa southern Africa specimen spindles squamosal stone SUID-AFRIKAANSE MUSEUM surface suture Synonymy taxa teeth tentacles tests three-flanged Tixier-Durivault total ostracod Type species Umbellula Upper Bathyal ventral Virgularia water depth Whatley